Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →
instance method
Integer#even?
even? → true or false
numeric.rb
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# File tmp/rubies/ruby-3.3.0/numeric.rb, line 169
def even?
Primitive.attr! :leaf
Primitive.cexpr! 'rb_int_even_p(self)'
end
Returns true if self is an even number, false otherwise.